A027518 - OEIS

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A027518 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`15`
`3`		`1`
`4`		`575`
`5`		`65`
`6`		`8`
`7`		`28759`
`8`		`4393`
`9`		`544`
`10`		`54`
`11`		`26454859`
`12`		`4978093`
`13`		`871144`
`14`		`95904`
`15`		`13500`
`16`		`35854425017`
`17`		`7684637159`
`18`		`1436323472`
`19`		`190754352`
`20`		`27540000`
`21`		`3087000`
`22`		`141598322427`
`23`		`34558204013`
`24`		`7383254904`
`25`		`1130247120`
`26`		`197499248`
`27`		`24685024`

[1,15,1,575,65,8,28759,4393,544,54,26454859, 4978093,871144,95904,13500,35854425017,7684637159, 1436323472,190754352,27540000,3087000, 141598322427,34558204013,7383254904,1130247120, 197499248,24685024]

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Last modified August 17 19:53 EDT 2024. Contains 375227 sequences. (Running on oeis4.)